Features 3M™ Littmann® Electronic Stethoscope Model 4100WS with Ambient Noise Reduction 3M™ Littmann® Electronic Stethoscope Model 3000 with Ambient Noise Reduction 3M™ Littmann® Master Cardiology Stethoscope 3M™ Littmann® Cardiology S.T.C. Stethoscope   [click to enlarge] [click to enlarge] [click to enlarge] [click to enlarge] Main Application  Adult Cardiology/High Performance Infant Paediatric Adult Cardiology/High Performance Infant Paediatric Adult Cardiology/High Performance Paediatric Adult Cardiology/High Performance Binaurals  Single-Lumen Tubing Incorporating Electronics Double-Lumen Double-Lumen Double-Lumen Tunable Diaphragm  Ambient Noise Reduction (ANR), Digital Electronic Filtering Ambient Noise Reduction (ANR), Digital Electronic Filtering Yes Yes Total Weight  220 grams 154 grams 180 grams 180 grams Colour  Black Black, Burgundy, Navy Blue Black, Black Edition, Burgundy, Hunter Green, Navy Blue Black, Burgundy, Navy Blue Standard Length  27"/69 cm 29"/74 cm 27"/69 cm 27"/69 cm Stethoscope Classification  Electronic Electronic Master Cardiology S.T.C. Product Positioning  Amplified Superior Acoustics Amplified Superior Acoustics Superior Acoustics Outstanding Acoustics Overall Littmann Stethoscope Performance (1–10 Scale)  10+ 10+ 10 9+ Chestpiece Design and Technology  Matte Finished Plated Alloy Special chrome coating Polished Stainless Steel Single-Sided Machined Stainless Steel Tunable Special Adaptors  No No Yes No Chestpiece Weight  90 grams 64 grams 90 grams 95 grams Diaphragm Diameter  1.53"/2.9 cm 1.93"/4.9 cm 1.75"/4.4 cm Oval 4.2/4.8 cm Eartip Type  Soft-sealing Primary Users  Cardiologists, General Practitioners, Respiratory Specialists Headset Material  Wide Diameter Aerospace Alloy Extra Eartips  Yes

Features		3M™ Littmann® Cardiology III Stethoscope		3M™ Littmann® Master Classic II Stethoscope		3M™ Littmann® Classic II S.E. Stethoscope		3M™ Littmann® Classic II Pediatric Stethoscope
		[click to enlarge]		[click to enlarge]		[click to enlarge]		[click to enlarge]
Main Application		Adult Cardiology/High Performance Paediatric		Physical Assessment and Diagnosis		Physical Assessment and Diagnosis		Paediatric Physical Assessment and Diagnosis
Binaurals		Double-Lumen		Thick Single-Lumen		Single-Lumen		Single-Lumen
Tunable Diaphragm		Yes–Two Tunable Diaphragms		Yes		Yes		Floating Diaphram
Primary Users		Cardiologists Child Specialists General Practitioners Respiratory Specialists		General Practitioners Medical Students Physiotherapists		General Practitioners Medical Students Nurses		Child Specialists
Total Weight		180 grams		160 grams		135 grams		105 grams
Colour		Black, Burgundy, Hunter Green, Navy Blue		Black, Black Edition, Burgundy, Caribbean Blue, Navy Blue		Black, Burgundy, Caribbean Blue, Ciel Blue, Grey, Hunter Green, Navy Blue, Orange, Seafoam Green		Black, Caribbean Blue, Raspberry, Red
Standard Length		27"/69 cm		27"/69 cm		28"/71 cm		28"/71 cm
Stethoscope Classification		Cardiology III		Master Classic II		Classic II S.E.		Paediatric and Infant
Product Positioning		Outstanding Acoustics/Versatile Pediatric and Adult Chestpiece		Excellent Acoustics/Portable		High Acoustic Sensitivity/Industry Standard		High Acoustic Sensitivity
Overall Littmann Stethoscope Performance (1–10 Scale)		9		8		7		7
Chestpiece Design and Technology		Machined Stainless Steel Two-Sided Tunable		Plated and Polished Alloy Single-Sided		Machined Stainless Steel Two-Sided		Machined Stainless Steel Two-Sided
Headset Material		Wide Diameter Aerospace Alloy		Wide Diameter Aerospace Alloy		Std. Diameter Aerospace Alloy		Std. Diameter Aerospace Alloy
Chestpiece Weight		85 grams		90 grams		65 grams		40 grams
Diaphragm Diameter		1.7"/4.3 cm		1.75"/4.4 cm		1.75"/4.4 cm		1.31"/2.9 cm
Bell or Small Diaphragm Diameter		1.3"/3.3 cm		-		1.25"/3.2 cm		1"/2.5 cm
Eartip Type		Soft-sealing
Extra Eartips		Yes
Special Adaptors		No

Features		3M™ Littmann® Classic II Infant Stethoscope		3M™ Littmann® Select Stethoscope
		[click to enlarge]		[click to enlarge]
Main Application		Infant Physical Assessment and Diagnosis		Limited Physical Assessment and Blood Pressure
Eartip Type		Soft-sealing		Firm
Tunable Diaphragm		Floating Diaphram		Yes
Primary Users		Child Specialists		Emergency Personnel Nurses
Total Weight		95 grams		120 grams
Colour		Black, Lilac, Raspberry, Red		Burgundy, Caribbean Blue, Raspberry, Royal Blue
Stethoscope Classification		Paediatric and Infant		Select
Product Positioning		High Acoustic Sensitivity		Reliable Acoustics
Overall Littmann Stethoscope Performance (1–10 Scale)		7		6
Chestpiece Design and Technology		Machined Stainless Steel Two-Sided		Coated Alloy Single-Sided
Extra Eartips		Yes		No
Chestpiece Weight		30 grams		50 grams
Diaphragm Diameter		1.06"/2.7 cm		1.75"/4.4 cm
Bell or Small Diaphragm Diameter		75"/1.9 cm		-
Binaurals		Single-Lumen
Standard Length		28"/71 cm
Headset Material		Std. Diameter Aerospace Alloy
Special Adaptors		No

N95[click to enlarge]

1860  

Is designed to help provide respiratory protection for the wearer. This product has a filter efficiency level of 95% or greater against particulate aerosols free of oil. It is fluid resistant, disposable and may be worn in surgery. It can fit a wide range of face sizes. 

1870  

3M™ Health Care Particulate Respirator and Surgical Mask 1870

 Health Care Particulate Respirator Type N95, Flat-fold/Three-panel, High Fluid resistant, White 

_